Answer
The free body diagram is attached.
$N_{1}$ is the reaction force to the weight, mg.
$N_{2}$ is the reaction force to the force extended by the pushing person, F.
Work Step by Step
The free body diagram is attached.
$N_{1}$ is the reaction force to the weight, mg.
$N_{2}$ is the reaction force to the force extended by the pushing person, F.